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The GuardDog RB-24SE and RB-122E share a variety of features, including an exclusive, patented self-cleaning probe. The self-cleaning probe minimizes scale build-up and protects users from potential boiler shutdowns or water overfill, while extending the recommended cleaning interval. The updated LWCO line also features a leak-free metal-to-metal seal and a push-to-test button that quickly confirms proper operation, enabling low water cut-off protection to be verified without draining any part of the system.
